<%@ page language="java" import="java.util.*,yy.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'doLogin.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    <%
      request.setCharacterEncoding("utf-8");
      long stuno=Long.parseLong(request.getParameter("stuno"));
      String pass=request.getParameter("stupass");
      MySqlStudentDao sdao=new  MySqlStudentDao();
      Student stu=sdao.login(stuno, pass);
      if(stu==null){
    	  out.print("<script>alert('用户名或者密码错误');history.back();</script>");
    	  return;
      }
      //登录成功
      session.setAttribute("USER_LOGIN", stu);//学生信息存入session
      session.setAttribute("xuehao", stuno);
      request.getRequestDispatcher("chakan.jsp").forward(request, response);
    %>
  </body>
</html>
